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FZUS53 KLOT 151412
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
912 AM CDT Tue Jul 15 2025

For waters within five nautical miles of shore on Lake Michigan

Waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.

LMZ740>742-152115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
912 AM CDT Tue Jul 15 2025

.REST OF TODAY...Southeast winds 5 to 10 kt becoming east
around 10 kt in the afternoon. Mostly sunny. Waves around 1 ft.
.TONIGHT...Southeast winds 5 to 10 kt becoming south overnight.
Partly cloudy. Waves around 1 ft.
.WEDNESDAY...South winds 5 to 10 kt becoming southeast in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon. Waves around 1 ft.
.WEDNESDAY NIGHT...South winds around 10 kt becoming west
overnight. Showers and thunderstorms likely in the evening, then
chance of showers and thunderstorms overnight. Waves 1 to 2 ft.

$$

LMZ743>745-152115-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
912 AM CDT Tue Jul 15 2025

.REST OF TODAY...Southeast winds 5 to 10 kt becoming east in
the afternoon. Mostly sunny. Waves around 1 ft.
.TONIGHT...Southeast winds 5 to 10 kt becoming south overnight.
Partly cloudy. Waves around 1 ft.
.WEDNESDAY...Southwest winds 5 to 10 kt becoming south in the
afternoon. Slight chance of showers and thunderstorms. Waves 1
ft or less.
.WEDNESDAY NIGHT...Southwest winds around 10 kt. Chance of
showers and thunderstorms. Waves 1 ft or less.

$$